#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

void test(void);
void test2(void);

int main(void) {
	//int arr[3];
	printf("main before\n");
	int a = 10;
	test();
	printf("mian after\n");
	return 0;
}

void test(void) {
	printf("test before\n");
	int a = 20;
	test2();
	printf("test after\n");
}

void test2(void) {
	printf("test2 before\n");
	int a = 30;
	printf("test2 after\n");
}